nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/ManagerImpl.java

   1 /*
   2   Copyright (C) 2015-2021 AsamK and contributors
   3
   4   This program is free software: you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation, either version 3 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.asamk.signal.manager;
  18
  19 import org.asamk.signal.manager.actions.HandleAction;
  20 import org.asamk.signal.manager.api.Configuration;
  21 import org.asamk.signal.manager.api.Device;
  22 import org.asamk.signal.manager.api.Group;
  23 import org.asamk.signal.manager.api.Identity;
  24 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  25 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  26 import org.asamk.signal.manager.api.Message;
  27 import org.asamk.signal.manager.api.Pair;
  28 import org.asamk.signal.manager.api.RecipientIdentifier;
  29 import org.asamk.signal.manager.api.SendGroupMessageResults;
  30 import org.asamk.signal.manager.api.SendMessageResult;
  31 import org.asamk.signal.manager.api.SendMessageResults;
  32 import org.asamk.signal.manager.api.TypingAction;
  33 import org.asamk.signal.manager.api.UpdateGroup;
  34 import org.asamk.signal.manager.config.ServiceConfig;
  35 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  36 import org.asamk.signal.manager.groups.GroupId;
  37 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  38 import org.asamk.signal.manager.groups.GroupNotFoundException;
  39 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  40 import org.asamk.signal.manager.groups.LastGroupAdminException;
  41 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  42 import org.asamk.signal.manager.helper.AttachmentHelper;
  43 import org.asamk.signal.manager.helper.ContactHelper;
  44 import org.asamk.signal.manager.helper.GroupHelper;
  45 import org.asamk.signal.manager.helper.GroupV2Helper;
  46 import org.asamk.signal.manager.helper.IdentityHelper;
  47 import org.asamk.signal.manager.helper.IncomingMessageHandler;
  48 import org.asamk.signal.manager.helper.PinHelper;
  49 import org.asamk.signal.manager.helper.PreKeyHelper;
  50 import org.asamk.signal.manager.helper.ProfileHelper;
  51 import org.asamk.signal.manager.helper.SendHelper;
  52 import org.asamk.signal.manager.helper.StorageHelper;
  53 import org.asamk.signal.manager.helper.SyncHelper;
  54 import org.asamk.signal.manager.helper.UnidentifiedAccessHelper;
  55 import org.asamk.signal.manager.jobs.Context;
  56 import org.asamk.signal.manager.storage.SignalAccount;
  57 import org.asamk.signal.manager.storage.groups.GroupInfo;
  58 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  59 import org.asamk.signal.manager.storage.messageCache.CachedMessage;
  60 import org.asamk.signal.manager.storage.recipients.Contact;
  61 import org.asamk.signal.manager.storage.recipients.Profile;
  62 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  63 import org.asamk.signal.manager.storage.recipients.RecipientId;
  64 import org.asamk.signal.manager.storage.stickers.Sticker;
  65 import org.asamk.signal.manager.storage.stickers.StickerPackId;
  66 import org.asamk.signal.manager.util.KeyUtils;
  67 import org.asamk.signal.manager.util.StickerUtils;
  68 import org.slf4j.Logger;
  69 import org.slf4j.LoggerFactory;
  70 import org.whispersystems.libsignal.InvalidKeyException;
  71 import org.whispersystems.libsignal.ecc.ECPublicKey;
  72 import org.whispersystems.libsignal.util.guava.Optional;
  73 import org.whispersystems.signalservice.api.SignalSessionLock;
  74 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  75 import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
  76 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  77 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  78 import org.whispersystems.signalservice.api.push.ACI;
  79 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  80 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  81 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  82 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  83 import org.whispersystems.signalservice.api.websocket.WebSocketUnavailableException;
  84 import org.whispersystems.signalservice.internal.contacts.crypto.Quote;
  85 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedQuoteException;
  86 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedResponseException;
  87 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
  88 import org.whispersystems.signalservice.internal.util.Hex;
  89 import org.whispersystems.signalservice.internal.util.Util;
  90
  91 import java.io.File;
  92 import java.io.IOException;
  93 import java.net.URI;
  94 import java.net.URISyntaxException;
  95 import java.net.URLEncoder;
  96 import java.nio.charset.StandardCharsets;
  97 import java.security.SignatureException;
  98 import java.util.ArrayList;
  99 import java.util.Collection;
 100 import java.util.HashMap;
 101 import java.util.HashSet;
 102 import java.util.List;
 103 import java.util.Map;
 104 import java.util.Set;
 105 import java.util.UUID;
 106 import java.util.concurrent.ExecutorService;
 107 import java.util.concurrent.Executors;
 108 import java.util.concurrent.TimeUnit;
 109 import java.util.concurrent.TimeoutException;
 110 import java.util.concurrent.locks.ReentrantLock;
 111 import java.util.stream.Collectors;
 112 import java.util.stream.Stream;
 113
 114 import static org.asamk.signal.manager.config.ServiceConfig.capabilities;
 115
 116 public class ManagerImpl implements Manager {
 117
 118     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 119
 120     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
 121     private final SignalDependencies dependencies;
 122
 123     private SignalAccount account;
 124
 125     private final ExecutorService executor = Executors.newCachedThreadPool();
 126
 127     private final ProfileHelper profileHelper;
 128     private final PinHelper pinHelper;
 129     private final StorageHelper storageHelper;
 130     private final SendHelper sendHelper;
 131     private final SyncHelper syncHelper;
 132     private final AttachmentHelper attachmentHelper;
 133     private final GroupHelper groupHelper;
 134     private final ContactHelper contactHelper;
 135     private final IncomingMessageHandler incomingMessageHandler;
 136     private final PreKeyHelper preKeyHelper;
 137     private final IdentityHelper identityHelper;
 138
 139     private final Context context;
 140     private boolean hasCaughtUpWithOldMessages = false;
 141     private boolean ignoreAttachments = false;
 142
 143     private Thread receiveThread;
 144     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 145     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 146     private final List<Runnable> closedListeners = new ArrayList<>();
 147     private boolean isReceivingSynchronous;
 148
 149     ManagerImpl(
 150             SignalAccount account,
 151             PathConfig pathConfig,
 152             ServiceEnvironmentConfig serviceEnvironmentConfig,
 153             String userAgent
 154     ) {
 155         this.account = account;
 156         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
 157
 158         final var credentialsProvider = new DynamicCredentialsProvider(account.getAci(),
 159                 account.getUsername(),
 160                 account.getPassword(),
 161                 account.getDeviceId());
 162         final var sessionLock = new SignalSessionLock() {
 163             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 164
 165             @Override
 166             public Lock acquire() {
 167                 LEGACY_LOCK.lock();
 168                 return LEGACY_LOCK::unlock;
 169             }
 170         };
 171         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 172                 userAgent,
 173                 credentialsProvider,
 174                 account.getSignalProtocolStore(),
 175                 executor,
 176                 sessionLock);
 177         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 178         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 179         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 180
 181         this.attachmentHelper = new AttachmentHelper(dependencies, attachmentStore);
 182         this.pinHelper = new PinHelper(dependencies.getKeyBackupService());
 183         final var unidentifiedAccessHelper = new UnidentifiedAccessHelper(account,
 184                 dependencies,
 185                 account::getProfileKey,
 186                 this::getRecipientProfile);
 187         this.profileHelper = new ProfileHelper(account,
 188                 dependencies,
 189                 avatarStore,
 190                 unidentifiedAccessHelper::getAccessFor,
 191                 this::resolveSignalServiceAddress);
 192         final GroupV2Helper groupV2Helper = new GroupV2Helper(profileHelper::getRecipientProfileKeyCredential,
 193                 this::getRecipientProfile,
 194                 account::getSelfRecipientId,
 195                 dependencies.getGroupsV2Operations(),
 196                 dependencies.getGroupsV2Api(),
 197                 this::resolveSignalServiceAddress);
 198         this.sendHelper = new SendHelper(account,
 199                 dependencies,
 200                 unidentifiedAccessHelper,
 201                 this::resolveSignalServiceAddress,
 202                 account.getRecipientStore(),
 203                 this::handleIdentityFailure,
 204                 this::getGroupInfo,
 205                 this::refreshRegisteredUser);
 206         this.groupHelper = new GroupHelper(account,
 207                 dependencies,
 208                 attachmentHelper,
 209                 sendHelper,
 210                 groupV2Helper,
 211                 avatarStore,
 212                 this::resolveSignalServiceAddress,
 213                 account.getRecipientStore());
 214         this.storageHelper = new StorageHelper(account, dependencies, groupHelper, profileHelper);
 215         this.contactHelper = new ContactHelper(account);
 216         this.syncHelper = new SyncHelper(account,
 217                 attachmentHelper,
 218                 sendHelper,
 219                 groupHelper,
 220                 avatarStore,
 221                 this::resolveSignalServiceAddress);
 222         preKeyHelper = new PreKeyHelper(account, dependencies);
 223
 224         this.context = new Context(account,
 225                 dependencies,
 226                 stickerPackStore,
 227                 sendHelper,
 228                 groupHelper,
 229                 syncHelper,
 230                 profileHelper,
 231                 storageHelper,
 232                 preKeyHelper);
 233         var jobExecutor = new JobExecutor(context);
 234
 235         this.incomingMessageHandler = new IncomingMessageHandler(account,
 236                 dependencies,
 237                 account.getRecipientStore(),
 238                 this::resolveSignalServiceAddress,
 239                 groupHelper,
 240                 contactHelper,
 241                 attachmentHelper,
 242                 syncHelper,
 243                 this::getRecipientProfile,
 244                 jobExecutor);
 245         this.identityHelper = new IdentityHelper(account,
 246                 dependencies,
 247                 this::resolveSignalServiceAddress,
 248                 syncHelper,
 249                 profileHelper);
 250     }
 251
 252     @Override
 253     public String getSelfNumber() {
 254         return account.getUsername();
 255     }
 256
 257     @Override
 258     public void checkAccountState() throws IOException {
 259         if (account.getLastReceiveTimestamp() == 0) {
 260             logger.info("The Signal protocol expects that incoming messages are regularly received.");
 261         } else {
 262             var diffInMilliseconds = System.currentTimeMillis() - account.getLastReceiveTimestamp();
 263             long days = TimeUnit.DAYS.convert(diffInMilliseconds, TimeUnit.MILLISECONDS);
 264             if (days > 7) {
 265                 logger.warn(
 266                         "Messages have been last received {} days ago. The Signal protocol expects that incoming messages are regularly received.",
 267                         days);
 268             }
 269         }
 270         preKeyHelper.refreshPreKeysIfNecessary();
 271         if (account.getAci() == null) {
 272             account.setAci(dependencies.getAccountManager().getOwnAci());
 273         }
 274         updateAccountAttributes(null);
 275     }
 276
 277     /**
 278      * This is used for checking a set of phone numbers for registration on Signal
 279      *
 280      * @param numbers The set of phone number in question
 281      * @return A map of numbers to canonicalized number and uuid. If a number is not registered the uuid is null.
 282      * @throws IOException if its unable to get the contacts to check if they're registered
 283      */
 284     @Override
 285     public Map<String, Pair<String, UUID>> areUsersRegistered(Set<String> numbers) throws IOException {
 286         Map<String, String> canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 287             try {
 288                 return PhoneNumberFormatter.formatNumber(n, account.getUsername());
 289             } catch (InvalidNumberException e) {
 290                 return "";
 291             }
 292         }));
 293
 294         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 295         var registeredUsers = getRegisteredUsers(canonicalizedNumbers.values()
 296                 .stream()
 297                 .filter(s -> !s.isEmpty())
 298                 .collect(Collectors.toSet()));
 299
 300         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 301             final var number = canonicalizedNumbers.get(n);
 302             final var aci = registeredUsers.get(number);
 303             return new Pair<>(number.isEmpty() ? null : number, aci == null ? null : aci.uuid());
 304         }));
 305     }
 306
 307     @Override
 308     public void updateAccountAttributes(String deviceName) throws IOException {
 309         final String encryptedDeviceName;
 310         if (deviceName == null) {
 311             encryptedDeviceName = account.getEncryptedDeviceName();
 312         } else {
 313             final var privateKey = account.getIdentityKeyPair().getPrivateKey();
 314             encryptedDeviceName = DeviceNameUtil.encryptDeviceName(deviceName, privateKey);
 315             account.setEncryptedDeviceName(encryptedDeviceName);
 316         }
 317         dependencies.getAccountManager()
 318                 .setAccountAttributes(encryptedDeviceName,
 319                         null,
 320                         account.getLocalRegistrationId(),
 321                         true,
 322                         null,
 323                         account.getPinMasterKey() == null ? null : account.getPinMasterKey().deriveRegistrationLock(),
 324                         account.getSelfUnidentifiedAccessKey(),
 325                         account.isUnrestrictedUnidentifiedAccess(),
 326                         capabilities,
 327                         account.isDiscoverableByPhoneNumber());
 328     }
 329
 330     @Override
 331     public Configuration getConfiguration() {
 332         final var configurationStore = account.getConfigurationStore();
 333         return new Configuration(java.util.Optional.ofNullable(configurationStore.getReadReceipts()),
 334                 java.util.Optional.ofNullable(configurationStore.getUnidentifiedDeliveryIndicators()),
 335                 java.util.Optional.ofNullable(configurationStore.getTypingIndicators()),
 336                 java.util.Optional.ofNullable(configurationStore.getLinkPreviews()));
 337     }
 338
 339     @Override
 340     public void updateConfiguration(
 341             Configuration configuration
 342     ) throws IOException, NotMasterDeviceException {
 343         if (!account.isMasterDevice()) {
 344             throw new NotMasterDeviceException();
 345         }
 346
 347         final var configurationStore = account.getConfigurationStore();
 348         if (configuration.readReceipts().isPresent()) {
 349             configurationStore.setReadReceipts(configuration.readReceipts().get());
 350         }
 351         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 352             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 353         }
 354         if (configuration.typingIndicators().isPresent()) {
 355             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 356         }
 357         if (configuration.linkPreviews().isPresent()) {
 358             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 359         }
 360         syncHelper.sendConfigurationMessage();
 361     }
 362
 363     /**
 364      * @param givenName  if null, the previous givenName will be kept
 365      * @param familyName if null, the previous familyName will be kept
 366      * @param about      if null, the previous about text will be kept
 367      * @param aboutEmoji if null, the previous about emoji will be kept
 368      * @param avatar     if avatar is null the image from the local avatar store is used (if present),
 369      */
 370     @Override
 371     public void setProfile(
 372             String givenName, final String familyName, String about, String aboutEmoji, java.util.Optional<File> avatar
 373     ) throws IOException {
 374         profileHelper.setProfile(givenName,
 375                 familyName,
 376                 about,
 377                 aboutEmoji,
 378                 avatar == null ? null : Optional.fromNullable(avatar.orElse(null)));
 379         syncHelper.sendSyncFetchProfileMessage();
 380     }
 381
 382     @Override
 383     public void unregister() throws IOException {
 384         // When setting an empty GCM id, the Signal-Server also sets the fetchesMessages property to false.
 385         // If this is the master device, other users can't send messages to this number anymore.
 386         // If this is a linked device, other users can still send messages, but this device doesn't receive them anymore.
 387         dependencies.getAccountManager().setGcmId(Optional.absent());
 388
 389         account.setRegistered(false);
 390         close();
 391     }
 392
 393     @Override
 394     public void deleteAccount() throws IOException {
 395         try {
 396             pinHelper.removeRegistrationLockPin();
 397         } catch (IOException e) {
 398             logger.warn("Failed to remove registration lock pin");
 399         }
 400         account.setRegistrationLockPin(null, null);
 401
 402         dependencies.getAccountManager().deleteAccount();
 403
 404         account.setRegistered(false);
 405         close();
 406     }
 407
 408     @Override
 409     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 410         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 411
 412         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 413     }
 414
 415     @Override
 416     public List<Device> getLinkedDevices() throws IOException {
 417         var devices = dependencies.getAccountManager().getDevices();
 418         account.setMultiDevice(devices.size() > 1);
 419         var identityKey = account.getIdentityKeyPair().getPrivateKey();
 420         return devices.stream().map(d -> {
 421             String deviceName = d.getName();
 422             if (deviceName != null) {
 423                 try {
 424                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 425                 } catch (IOException e) {
 426                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 427                 }
 428             }
 429             return new Device(d.getId(),
 430                     deviceName,
 431                     d.getCreated(),
 432                     d.getLastSeen(),
 433                     d.getId() == account.getDeviceId());
 434         }).collect(Collectors.toList());
 435     }
 436
 437     @Override
 438     public void removeLinkedDevices(long deviceId) throws IOException {
 439         dependencies.getAccountManager().removeDevice(deviceId);
 440         var devices = dependencies.getAccountManager().getDevices();
 441         account.setMultiDevice(devices.size() > 1);
 442     }
 443
 444     @Override
 445     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 446         var info = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 447
 448         addDevice(info.deviceIdentifier(), info.deviceKey());
 449     }
 450
 451     private void addDevice(
 452             String deviceIdentifier, ECPublicKey deviceKey
 453     ) throws IOException, InvalidDeviceLinkException {
 454         var identityKeyPair = account.getIdentityKeyPair();
 455         var verificationCode = dependencies.getAccountManager().getNewDeviceVerificationCode();
 456
 457         try {
 458             dependencies.getAccountManager()
 459                     .addDevice(deviceIdentifier,
 460                             deviceKey,
 461                             identityKeyPair,
 462                             Optional.of(account.getProfileKey().serialize()),
 463                             verificationCode);
 464         } catch (InvalidKeyException e) {
 465             throw new InvalidDeviceLinkException("Invalid device link", e);
 466         }
 467         account.setMultiDevice(true);
 468     }
 469
 470     @Override
 471     public void setRegistrationLockPin(java.util.Optional<String> pin) throws IOException {
 472         if (!account.isMasterDevice()) {
 473             throw new RuntimeException("Only master device can set a PIN");
 474         }
 475         if (pin.isPresent()) {
 476             final var masterKey = account.getPinMasterKey() != null
 477                     ? account.getPinMasterKey()
 478                     : KeyUtils.createMasterKey();
 479
 480             pinHelper.setRegistrationLockPin(pin.get(), masterKey);
 481
 482             account.setRegistrationLockPin(pin.get(), masterKey);
 483         } else {
 484             // Remove KBS Pin
 485             pinHelper.removeRegistrationLockPin();
 486
 487             account.setRegistrationLockPin(null, null);
 488         }
 489     }
 490
 491     void refreshPreKeys() throws IOException {
 492         preKeyHelper.refreshPreKeys();
 493     }
 494
 495     @Override
 496     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws IOException {
 497         return profileHelper.getRecipientProfile(resolveRecipient(recipient));
 498     }
 499
 500     private Profile getRecipientProfile(RecipientId recipientId) {
 501         return profileHelper.getRecipientProfile(recipientId);
 502     }
 503
 504     @Override
 505     public List<Group> getGroups() {
 506         return account.getGroupStore().getGroups().stream().map(this::toGroup).collect(Collectors.toList());
 507     }
 508
 509     private Group toGroup(final GroupInfo groupInfo) {
 510         if (groupInfo == null) {
 511             return null;
 512         }
 513
 514         return new Group(groupInfo.getGroupId(),
 515                 groupInfo.getTitle(),
 516                 groupInfo.getDescription(),
 517                 groupInfo.getGroupInviteLink(),
 518                 groupInfo.getMembers()
 519                         .stream()
 520                         .map(account.getRecipientStore()::resolveRecipientAddress)
 521                         .collect(Collectors.toSet()),
 522                 groupInfo.getPendingMembers()
 523                         .stream()
 524                         .map(account.getRecipientStore()::resolveRecipientAddress)
 525                         .collect(Collectors.toSet()),
 526                 groupInfo.getRequestingMembers()
 527                         .stream()
 528                         .map(account.getRecipientStore()::resolveRecipientAddress)
 529                         .collect(Collectors.toSet()),
 530                 groupInfo.getAdminMembers()
 531                         .stream()
 532                         .map(account.getRecipientStore()::resolveRecipientAddress)
 533                         .collect(Collectors.toSet()),
 534                 groupInfo.isBlocked(),
 535                 groupInfo.getMessageExpirationTimer(),
 536                 groupInfo.getPermissionAddMember(),
 537                 groupInfo.getPermissionEditDetails(),
 538                 groupInfo.getPermissionSendMessage(),
 539                 groupInfo.isMember(account.getSelfRecipientId()),
 540                 groupInfo.isAdmin(account.getSelfRecipientId()));
 541     }
 542
 543     @Override
 544     public SendGroupMessageResults quitGroup(
 545             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 546     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException {
 547         final var newAdmins = resolveRecipients(groupAdmins);
 548         return groupHelper.quitGroup(groupId, newAdmins);
 549     }
 550
 551     @Override
 552     public void deleteGroup(GroupId groupId) throws IOException {
 553         groupHelper.deleteGroup(groupId);
 554     }
 555
 556     @Override
 557     public Pair<GroupId, SendGroupMessageResults> createGroup(
 558             String name, Set<RecipientIdentifier.Single> members, File avatarFile
 559     ) throws IOException, AttachmentInvalidException {
 560         return groupHelper.createGroup(name, members == null ? null : resolveRecipients(members), avatarFile);
 561     }
 562
 563     @Override
 564     public SendGroupMessageResults updateGroup(
 565             final GroupId groupId, final UpdateGroup updateGroup
 566     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException {
 567         return groupHelper.updateGroup(groupId,
 568                 updateGroup.getName(),
 569                 updateGroup.getDescription(),
 570                 updateGroup.getMembers() == null ? null : resolveRecipients(updateGroup.getMembers()),
 571                 updateGroup.getRemoveMembers() == null ? null : resolveRecipients(updateGroup.getRemoveMembers()),
 572                 updateGroup.getAdmins() == null ? null : resolveRecipients(updateGroup.getAdmins()),
 573                 updateGroup.getRemoveAdmins() == null ? null : resolveRecipients(updateGroup.getRemoveAdmins()),
 574                 updateGroup.isResetGroupLink(),
 575                 updateGroup.getGroupLinkState(),
 576                 updateGroup.getAddMemberPermission(),
 577                 updateGroup.getEditDetailsPermission(),
 578                 updateGroup.getAvatarFile(),
 579                 updateGroup.getExpirationTimer(),
 580                 updateGroup.getIsAnnouncementGroup());
 581     }
 582
 583     @Override
 584     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 585             GroupInviteLinkUrl inviteLinkUrl
 586     ) throws IOException, InactiveGroupLinkException {
 587         return groupHelper.joinGroup(inviteLinkUrl);
 588     }
 589
 590     private SendMessageResults sendMessage(
 591             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 592     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 593         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 594         long timestamp = System.currentTimeMillis();
 595         messageBuilder.withTimestamp(timestamp);
 596         for (final var recipient : recipients) {
 597             if (recipient instanceof RecipientIdentifier.Single single) {
 598                 final var recipientId = resolveRecipient(single);
 599                 final var result = sendHelper.sendMessage(messageBuilder, recipientId);
 600                 results.put(recipient,
 601                         List.of(SendMessageResult.from(result,
 602                                 account.getRecipientStore(),
 603                                 account.getRecipientStore()::resolveRecipientAddress)));
 604             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 605                 final var result = sendHelper.sendSelfMessage(messageBuilder);
 606                 results.put(recipient,
 607                         List.of(SendMessageResult.from(result,
 608                                 account.getRecipientStore(),
 609                                 account.getRecipientStore()::resolveRecipientAddress)));
 610             } else if (recipient instanceof RecipientIdentifier.Group group) {
 611                 final var result = sendHelper.sendAsGroupMessage(messageBuilder, group.groupId());
 612                 results.put(recipient,
 613                         result.stream()
 614                                 .map(sendMessageResult -> SendMessageResult.from(sendMessageResult,
 615                                         account.getRecipientStore(),
 616                                         account.getRecipientStore()::resolveRecipientAddress))
 617                                 .collect(Collectors.toList()));
 618             }
 619         }
 620         return new SendMessageResults(timestamp, results);
 621     }
 622
 623     private void sendTypingMessage(
 624             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 625     ) throws IOException, UntrustedIdentityException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 626         final var timestamp = System.currentTimeMillis();
 627         for (var recipient : recipients) {
 628             if (recipient instanceof RecipientIdentifier.Single) {
 629                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.absent());
 630                 final var recipientId = resolveRecipient((RecipientIdentifier.Single) recipient);
 631                 sendHelper.sendTypingMessage(message, recipientId);
 632             } else if (recipient instanceof RecipientIdentifier.Group) {
 633                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 634                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 635                 sendHelper.sendGroupTypingMessage(message, groupId);
 636             }
 637         }
 638     }
 639
 640     @Override
 641     public void sendTypingMessage(
 642             TypingAction action, Set<RecipientIdentifier> recipients
 643     ) throws IOException, UntrustedIdentityException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 644         sendTypingMessage(action.toSignalService(), recipients);
 645     }
 646
 647     @Override
 648     public void sendReadReceipt(
 649             RecipientIdentifier.Single sender, List<Long> messageIds
 650     ) throws IOException, UntrustedIdentityException {
 651         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 652                 messageIds,
 653                 System.currentTimeMillis());
 654
 655         sendHelper.sendReceiptMessage(receiptMessage, resolveRecipient(sender));
 656     }
 657
 658     @Override
 659     public void sendViewedReceipt(
 660             RecipientIdentifier.Single sender, List<Long> messageIds
 661     ) throws IOException, UntrustedIdentityException {
 662         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 663                 messageIds,
 664                 System.currentTimeMillis());
 665
 666         sendHelper.sendReceiptMessage(receiptMessage, resolveRecipient(sender));
 667     }
 668
 669     @Override
 670     public SendMessageResults sendMessage(
 671             Message message, Set<RecipientIdentifier> recipients
 672     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 673         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 674         applyMessage(messageBuilder, message);
 675         return sendMessage(messageBuilder, recipients);
 676     }
 677
 678     private void applyMessage(
 679             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 680     ) throws AttachmentInvalidException, IOException {
 681         messageBuilder.withBody(message.messageText());
 682         final var attachments = message.attachments();
 683         if (attachments != null) {
 684             messageBuilder.withAttachments(attachmentHelper.uploadAttachments(attachments));
 685         }
 686     }
 687
 688     @Override
 689     public SendMessageResults sendRemoteDeleteMessage(
 690             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 691     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 692         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 693         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 694         return sendMessage(messageBuilder, recipients);
 695     }
 696
 697     @Override
 698     public SendMessageResults sendMessageReaction(
 699             String emoji,
 700             boolean remove,
 701             RecipientIdentifier.Single targetAuthor,
 702             long targetSentTimestamp,
 703             Set<RecipientIdentifier> recipients
 704     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 705         var targetAuthorRecipientId = resolveRecipient(targetAuthor);
 706         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 707                 remove,
 708                 resolveSignalServiceAddress(targetAuthorRecipientId),
 709                 targetSentTimestamp);
 710         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 711         return sendMessage(messageBuilder, recipients);
 712     }
 713
 714     @Override
 715     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 716         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 717
 718         try {
 719             return sendMessage(messageBuilder,
 720                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 721         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 722             throw new AssertionError(e);
 723         } finally {
 724             for (var recipient : recipients) {
 725                 final var recipientId = resolveRecipient(recipient);
 726                 account.getSessionStore().deleteAllSessions(recipientId);
 727             }
 728         }
 729     }
 730
 731     @Override
 732     public void setContactName(
 733             RecipientIdentifier.Single recipient, String name
 734     ) throws NotMasterDeviceException, IOException {
 735         if (!account.isMasterDevice()) {
 736             throw new NotMasterDeviceException();
 737         }
 738         contactHelper.setContactName(resolveRecipient(recipient), name);
 739     }
 740
 741     @Override
 742     public void setContactBlocked(
 743             RecipientIdentifier.Single recipient, boolean blocked
 744     ) throws NotMasterDeviceException, IOException {
 745         if (!account.isMasterDevice()) {
 746             throw new NotMasterDeviceException();
 747         }
 748         contactHelper.setContactBlocked(resolveRecipient(recipient), blocked);
 749         // TODO cycle our profile key
 750         syncHelper.sendBlockedList();
 751     }
 752
 753     @Override
 754     public void setGroupBlocked(
 755             final GroupId groupId, final boolean blocked
 756     ) throws GroupNotFoundException, IOException, NotMasterDeviceException {
 757         if (!account.isMasterDevice()) {
 758             throw new NotMasterDeviceException();
 759         }
 760         groupHelper.setGroupBlocked(groupId, blocked);
 761         // TODO cycle our profile key
 762         syncHelper.sendBlockedList();
 763     }
 764
 765     /**
 766      * Change the expiration timer for a contact
 767      */
 768     @Override
 769     public void setExpirationTimer(
 770             RecipientIdentifier.Single recipient, int messageExpirationTimer
 771     ) throws IOException {
 772         var recipientId = resolveRecipient(recipient);
 773         contactHelper.setExpirationTimer(recipientId, messageExpirationTimer);
 774         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 775         try {
 776             sendMessage(messageBuilder, Set.of(recipient));
 777         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 778             throw new AssertionError(e);
 779         }
 780     }
 781
 782     /**
 783      * Upload the sticker pack from path.
 784      *
 785      * @param path Path can be a path to a manifest.json file or to a zip file that contains a manifest.json file
 786      * @return if successful, returns the URL to install the sticker pack in the signal app
 787      */
 788     @Override
 789     public URI uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 790         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 791
 792         var messageSender = dependencies.getMessageSender();
 793
 794         var packKey = KeyUtils.createStickerUploadKey();
 795         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 796         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 797
 798         var sticker = new Sticker(packId, packKey);
 799         account.getStickerStore().updateSticker(sticker);
 800
 801         try {
 802             return new URI("https",
 803                     "signal.art",
 804                     "/addstickers/",
 805                     "pack_id="
 806                             + URLEncoder.encode(Hex.toStringCondensed(packId.serialize()), StandardCharsets.UTF_8)
 807                             + "&pack_key="
 808                             + URLEncoder.encode(Hex.toStringCondensed(packKey), StandardCharsets.UTF_8));
 809         } catch (URISyntaxException e) {
 810             throw new AssertionError(e);
 811         }
 812     }
 813
 814     @Override
 815     public void requestAllSyncData() throws IOException {
 816         syncHelper.requestAllSyncData();
 817         retrieveRemoteStorage();
 818     }
 819
 820     void retrieveRemoteStorage() throws IOException {
 821         if (account.getStorageKey() != null) {
 822             storageHelper.readDataFromStorage();
 823         }
 824     }
 825
 826     private RecipientId refreshRegisteredUser(RecipientId recipientId) throws IOException {
 827         final var address = resolveSignalServiceAddress(recipientId);
 828         if (!address.getNumber().isPresent()) {
 829             return recipientId;
 830         }
 831         final var number = address.getNumber().get();
 832         final var uuid = getRegisteredUser(number);
 833         return resolveRecipientTrusted(new SignalServiceAddress(uuid, number));
 834     }
 835
 836     private ACI getRegisteredUser(final String number) throws IOException {
 837         final Map<String, ACI> aciMap;
 838         try {
 839             aciMap = getRegisteredUsers(Set.of(number));
 840         } catch (NumberFormatException e) {
 841             throw new IOException(number, e);
 842         }
 843         final var uuid = aciMap.get(number);
 844         if (uuid == null) {
 845             throw new IOException(number, null);
 846         }
 847         return uuid;
 848     }
 849
 850     private Map<String, ACI> getRegisteredUsers(final Set<String> numbers) throws IOException {
 851         final Map<String, ACI> registeredUsers;
 852         try {
 853             registeredUsers = dependencies.getAccountManager()
 854                     .getRegisteredUsers(ServiceConfig.getIasKeyStore(),
 855                             numbers,
 856                             serviceEnvironmentConfig.getCdsMrenclave());
 857         } catch (Quote.InvalidQuoteFormatException | UnauthenticatedQuoteException | SignatureException | UnauthenticatedResponseException | InvalidKeyException e) {
 858             throw new IOException(e);
 859         }
 860
 861         // Store numbers as recipients, so we have the number/uuid association
 862         registeredUsers.forEach((number, aci) -> resolveRecipientTrusted(new SignalServiceAddress(aci, number)));
 863
 864         return registeredUsers;
 865     }
 866
 867     private void retryFailedReceivedMessages(ReceiveMessageHandler handler) {
 868         Set<HandleAction> queuedActions = new HashSet<>();
 869         for (var cachedMessage : account.getMessageCache().getCachedMessages()) {
 870             var actions = retryFailedReceivedMessage(handler, cachedMessage);
 871             if (actions != null) {
 872                 queuedActions.addAll(actions);
 873             }
 874         }
 875         handleQueuedActions(queuedActions);
 876     }
 877
 878     private List<HandleAction> retryFailedReceivedMessage(
 879             final ReceiveMessageHandler handler, final CachedMessage cachedMessage
 880     ) {
 881         var envelope = cachedMessage.loadEnvelope();
 882         if (envelope == null) {
 883             cachedMessage.delete();
 884             return null;
 885         }
 886
 887         final var result = incomingMessageHandler.handleRetryEnvelope(envelope, ignoreAttachments, handler);
 888         final var actions = result.first();
 889         final var exception = result.second();
 890
 891         if (exception instanceof UntrustedIdentityException) {
 892             if (System.currentTimeMillis() - envelope.getServerDeliveredTimestamp() > 1000L * 60 * 60 * 24 * 30) {
 893                 // Envelope is more than a month old, cleaning up.
 894                 cachedMessage.delete();
 895                 return null;
 896             }
 897             if (!envelope.hasSourceUuid()) {
 898                 final var identifier = ((UntrustedIdentityException) exception).getSender();
 899                 final var recipientId = account.getRecipientStore().resolveRecipient(identifier);
 900                 try {
 901                     account.getMessageCache().replaceSender(cachedMessage, recipientId);
 902                 } catch (IOException ioException) {
 903                     logger.warn("Failed to move cached message to recipient folder: {}", ioException.getMessage());
 904                 }
 905             }
 906             return null;
 907         }
 908
 909         // If successful and for all other errors that are not recoverable, delete the cached message
 910         cachedMessage.delete();
 911         return actions;
 912     }
 913
 914     @Override
 915     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 916         if (isReceivingSynchronous) {
 917             throw new IllegalStateException("Already receiving message synchronously.");
 918         }
 919         synchronized (messageHandlers) {
 920             if (isWeakListener) {
 921                 weakHandlers.add(handler);
 922             } else {
 923                 messageHandlers.add(handler);
 924                 startReceiveThreadIfRequired();
 925             }
 926         }
 927     }
 928
 929     private void startReceiveThreadIfRequired() {
 930         if (receiveThread != null) {
 931             return;
 932         }
 933         receiveThread = new Thread(() -> {
 934             logger.debug("Starting receiving messages");
 935             while (!Thread.interrupted()) {
 936                 try {
 937                     receiveMessagesInternal(1L, TimeUnit.HOURS, false, (envelope, e) -> {
 938                         synchronized (messageHandlers) {
 939                             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 940                                 try {
 941                                     h.handleMessage(envelope, e);
 942                                 } catch (Exception ex) {
 943                                     logger.warn("Message handler failed, ignoring", ex);
 944                                 }
 945                             });
 946                         }
 947                     });
 948                     break;
 949                 } catch (IOException e) {
 950                     logger.warn("Receiving messages failed, retrying", e);
 951                 }
 952             }
 953             logger.debug("Finished receiving messages");
 954             hasCaughtUpWithOldMessages = false;
 955             synchronized (messageHandlers) {
 956                 receiveThread = null;
 957
 958                 // Check if in the meantime another handler has been registered
 959                 if (!messageHandlers.isEmpty()) {
 960                     logger.debug("Another handler has been registered, starting receive thread again");
 961                     startReceiveThreadIfRequired();
 962                 }
 963             }
 964         });
 965
 966         receiveThread.start();
 967     }
 968
 969     @Override
 970     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 971         final Thread thread;
 972         synchronized (messageHandlers) {
 973             weakHandlers.remove(handler);
 974             messageHandlers.remove(handler);
 975             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 976                 return;
 977             }
 978             thread = receiveThread;
 979             receiveThread = null;
 980         }
 981
 982         stopReceiveThread(thread);
 983     }
 984
 985     private void stopReceiveThread(final Thread thread) {
 986         thread.interrupt();
 987         try {
 988             thread.join();
 989         } catch (InterruptedException ignored) {
 990         }
 991     }
 992
 993     @Override
 994     public boolean isReceiving() {
 995         if (isReceivingSynchronous) {
 996             return true;
 997         }
 998         synchronized (messageHandlers) {
 999             return messageHandlers.size() > 0;
1000         }
1001     }
1002
1003     @Override
1004     public void receiveMessages(long timeout, TimeUnit unit, ReceiveMessageHandler handler) throws IOException {
1005         receiveMessages(timeout, unit, true, handler);
1006     }
1007
1008     @Override
1009     public void receiveMessages(ReceiveMessageHandler handler) throws IOException {
1010         receiveMessages(1L, TimeUnit.HOURS, false, handler);
1011     }
1012
1013     private void receiveMessages(
1014             long timeout, TimeUnit unit, boolean returnOnTimeout, ReceiveMessageHandler handler
1015     ) throws IOException {
1016         if (isReceiving()) {
1017             throw new IllegalStateException("Already receiving message.");
1018         }
1019         isReceivingSynchronous = true;
1020         receiveThread = Thread.currentThread();
1021         try {
1022             receiveMessagesInternal(timeout, unit, returnOnTimeout, handler);
1023         } finally {
1024             receiveThread = null;
1025             hasCaughtUpWithOldMessages = false;
1026             isReceivingSynchronous = false;
1027         }
1028     }
1029
1030     private void receiveMessagesInternal(
1031             long timeout, TimeUnit unit, boolean returnOnTimeout, ReceiveMessageHandler handler
1032     ) throws IOException {
1033         retryFailedReceivedMessages(handler);
1034
1035         // Use a Map here because java Set doesn't have a get method ...
1036         Map<HandleAction, HandleAction> queuedActions = new HashMap<>();
1037
1038         final var signalWebSocket = dependencies.getSignalWebSocket();
1039         signalWebSocket.connect();
1040
1041         hasCaughtUpWithOldMessages = false;
1042         var backOffCounter = 0;
1043         final var MAX_BACKOFF_COUNTER = 9;
1044
1045         while (!Thread.interrupted()) {
1046             SignalServiceEnvelope envelope;
1047             final CachedMessage[] cachedMessage = {null};
1048             account.setLastReceiveTimestamp(System.currentTimeMillis());
1049             logger.debug("Checking for new message from server");
1050             try {
1051                 var result = signalWebSocket.readOrEmpty(unit.toMillis(timeout), envelope1 -> {
1052                     final var recipientId = envelope1.hasSourceUuid()
1053                             ? resolveRecipient(envelope1.getSourceAddress())
1054                             : null;
1055                     // store message on disk, before acknowledging receipt to the server
1056                     cachedMessage[0] = account.getMessageCache().cacheMessage(envelope1, recipientId);
1057                 });
1058                 backOffCounter = 0;
1059
1060                 if (result.isPresent()) {
1061                     envelope = result.get();
1062                     logger.debug("New message received from server");
1063                 } else {
1064                     logger.debug("Received indicator that server queue is empty");
1065                     handleQueuedActions(queuedActions.keySet());
1066                     queuedActions.clear();
1067
1068                     hasCaughtUpWithOldMessages = true;
1069                     synchronized (this) {
1070                         this.notifyAll();
1071                     }
1072
1073                     // Continue to wait another timeout for new messages
1074                     continue;
1075                 }
1076             } catch (AssertionError e) {
1077                 if (e.getCause() instanceof InterruptedException) {
1078                     Thread.currentThread().interrupt();
1079                     break;
1080                 } else {
1081                     throw e;
1082                 }
1083             } catch (IOException e) {
1084                 logger.debug("Pipe unexpectedly unavailable: {}", e.getMessage());
1085                 if (e instanceof WebSocketUnavailableException || "Connection closed!".equals(e.getMessage())) {
1086                     final var sleepMilliseconds = 100 * (long) Math.pow(2, backOffCounter);
1087                     backOffCounter = Math.min(backOffCounter + 1, MAX_BACKOFF_COUNTER);
1088                     logger.warn("Connection closed unexpectedly, reconnecting in {} ms", sleepMilliseconds);
1089                     try {
1090                         Thread.sleep(sleepMilliseconds);
1091                     } catch (InterruptedException interruptedException) {
1092                         return;
1093                     }
1094                     hasCaughtUpWithOldMessages = false;
1095                     signalWebSocket.connect();
1096                     continue;
1097                 }
1098                 throw e;
1099             } catch (TimeoutException e) {
1100                 backOffCounter = 0;
1101                 if (returnOnTimeout) return;
1102                 continue;
1103             }
1104
1105             final var result = incomingMessageHandler.handleEnvelope(envelope, ignoreAttachments, handler);
1106             for (final var h : result.first()) {
1107                 final var existingAction = queuedActions.get(h);
1108                 if (existingAction == null) {
1109                     queuedActions.put(h, h);
1110                 } else {
1111                     existingAction.mergeOther(h);
1112                 }
1113             }
1114             final var exception = result.second();
1115
1116             if (hasCaughtUpWithOldMessages) {
1117                 handleQueuedActions(queuedActions.keySet());
1118                 queuedActions.clear();
1119             }
1120             if (cachedMessage[0] != null) {
1121                 if (exception instanceof UntrustedIdentityException) {
1122                     logger.debug("Keeping message with untrusted identity in message cache");
1123                     final var address = ((UntrustedIdentityException) exception).getSender();
1124                     final var recipientId = resolveRecipient(address);
1125                     if (!envelope.hasSourceUuid()) {
1126                         try {
1127                             cachedMessage[0] = account.getMessageCache().replaceSender(cachedMessage[0], recipientId);
1128                         } catch (IOException ioException) {
1129                             logger.warn("Failed to move cached message to recipient folder: {}",
1130                                     ioException.getMessage());
1131                         }
1132                     }
1133                 } else {
1134                     cachedMessage[0].delete();
1135                 }
1136             }
1137         }
1138         handleQueuedActions(queuedActions.keySet());
1139         queuedActions.clear();
1140         dependencies.getSignalWebSocket().disconnect();
1141     }
1142
1143     @Override
1144     public void setIgnoreAttachments(final boolean ignoreAttachments) {
1145         this.ignoreAttachments = ignoreAttachments;
1146     }
1147
1148     @Override
1149     public boolean hasCaughtUpWithOldMessages() {
1150         return hasCaughtUpWithOldMessages;
1151     }
1152
1153     private void handleQueuedActions(final Collection<HandleAction> queuedActions) {
1154         logger.debug("Handling message actions");
1155         var interrupted = false;
1156         for (var action : queuedActions) {
1157             try {
1158                 action.execute(context);
1159             } catch (Throwable e) {
1160                 if ((e instanceof AssertionError || e instanceof RuntimeException)
1161                         && e.getCause() instanceof InterruptedException) {
1162                     interrupted = true;
1163                     continue;
1164                 }
1165                 logger.warn("Message action failed.", e);
1166             }
1167         }
1168         if (interrupted) {
1169             Thread.currentThread().interrupt();
1170         }
1171     }
1172
1173     @Override
1174     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1175         final RecipientId recipientId;
1176         try {
1177             recipientId = resolveRecipient(recipient);
1178         } catch (IOException e) {
1179             return false;
1180         }
1181         return contactHelper.isContactBlocked(recipientId);
1182     }
1183
1184     @Override
1185     public void sendContacts() throws IOException {
1186         syncHelper.sendContacts();
1187     }
1188
1189     @Override
1190     public List<Pair<RecipientAddress, Contact>> getContacts() {
1191         return account.getContactStore()
1192                 .getContacts()
1193                 .stream()
1194                 .map(p -> new Pair<>(account.getRecipientStore().resolveRecipientAddress(p.first()), p.second()))
1195                 .collect(Collectors.toList());
1196     }
1197
1198     @Override
1199     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1200         final RecipientId recipientId;
1201         try {
1202             recipientId = resolveRecipient(recipient);
1203         } catch (IOException e) {
1204             return null;
1205         }
1206
1207         final var contact = account.getContactStore().getContact(recipientId);
1208         if (contact != null && !Util.isEmpty(contact.getName())) {
1209             return contact.getName();
1210         }
1211
1212         final var profile = getRecipientProfile(recipientId);
1213         if (profile != null) {
1214             return profile.getDisplayName();
1215         }
1216
1217         return null;
1218     }
1219
1220     @Override
1221     public Group getGroup(GroupId groupId) {
1222         return toGroup(groupHelper.getGroup(groupId));
1223     }
1224
1225     private GroupInfo getGroupInfo(GroupId groupId) {
1226         return groupHelper.getGroup(groupId);
1227     }
1228
1229     @Override
1230     public List<Identity> getIdentities() {
1231         return account.getIdentityKeyStore()
1232                 .getIdentities()
1233                 .stream()
1234                 .map(this::toIdentity)
1235                 .collect(Collectors.toList());
1236     }
1237
1238     private Identity toIdentity(final IdentityInfo identityInfo) {
1239         if (identityInfo == null) {
1240             return null;
1241         }
1242
1243         final var address = account.getRecipientStore().resolveRecipientAddress(identityInfo.getRecipientId());
1244         final var scannableFingerprint = identityHelper.computeSafetyNumberForScanning(identityInfo.getRecipientId(),
1245                 identityInfo.getIdentityKey());
1246         return new Identity(address,
1247                 identityInfo.getIdentityKey(),
1248                 identityHelper.computeSafetyNumber(identityInfo.getRecipientId(), identityInfo.getIdentityKey()),
1249                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1250                 identityInfo.getTrustLevel(),
1251                 identityInfo.getDateAdded());
1252     }
1253
1254     @Override
1255     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1256         IdentityInfo identity;
1257         try {
1258             identity = account.getIdentityKeyStore().getIdentity(resolveRecipient(recipient));
1259         } catch (IOException e) {
1260             identity = null;
1261         }
1262         return identity == null ? List.of() : List.of(toIdentity(identity));
1263     }
1264
1265     /**
1266      * Trust this the identity with this fingerprint
1267      *
1268      * @param recipient   username of the identity
1269      * @param fingerprint Fingerprint
1270      */
1271     @Override
1272     public boolean trustIdentityVerified(RecipientIdentifier.Single recipient, byte[] fingerprint) {
1273         RecipientId recipientId;
1274         try {
1275             recipientId = resolveRecipient(recipient);
1276         } catch (IOException e) {
1277             return false;
1278         }
1279         return identityHelper.trustIdentityVerified(recipientId, fingerprint);
1280     }
1281
1282     /**
1283      * Trust this the identity with this safety number
1284      *
1285      * @param recipient    username of the identity
1286      * @param safetyNumber Safety number
1287      */
1288     @Override
1289     public boolean trustIdentityVerifiedSafetyNumber(RecipientIdentifier.Single recipient, String safetyNumber) {
1290         RecipientId recipientId;
1291         try {
1292             recipientId = resolveRecipient(recipient);
1293         } catch (IOException e) {
1294             return false;
1295         }
1296         return identityHelper.trustIdentityVerifiedSafetyNumber(recipientId, safetyNumber);
1297     }
1298
1299     /**
1300      * Trust this the identity with this scannable safety number
1301      *
1302      * @param recipient    username of the identity
1303      * @param safetyNumber Scannable safety number
1304      */
1305     @Override
1306     public boolean trustIdentityVerifiedSafetyNumber(RecipientIdentifier.Single recipient, byte[] safetyNumber) {
1307         RecipientId recipientId;
1308         try {
1309             recipientId = resolveRecipient(recipient);
1310         } catch (IOException e) {
1311             return false;
1312         }
1313         return identityHelper.trustIdentityVerifiedSafetyNumber(recipientId, safetyNumber);
1314     }
1315
1316     /**
1317      * Trust all keys of this identity without verification
1318      *
1319      * @param recipient username of the identity
1320      */
1321     @Override
1322     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) {
1323         RecipientId recipientId;
1324         try {
1325             recipientId = resolveRecipient(recipient);
1326         } catch (IOException e) {
1327             return false;
1328         }
1329         return identityHelper.trustIdentityAllKeys(recipientId);
1330     }
1331
1332     @Override
1333     public void addClosedListener(final Runnable listener) {
1334         synchronized (closedListeners) {
1335             closedListeners.add(listener);
1336         }
1337     }
1338
1339     private void handleIdentityFailure(
1340             final RecipientId recipientId,
1341             final org.whispersystems.signalservice.api.messages.SendMessageResult.IdentityFailure identityFailure
1342     ) {
1343         this.identityHelper.handleIdentityFailure(recipientId, identityFailure);
1344     }
1345
1346     private SignalServiceAddress resolveSignalServiceAddress(RecipientId recipientId) {
1347         final var address = account.getRecipientStore().resolveRecipientAddress(recipientId);
1348         if (address.getUuid().isPresent()) {
1349             return address.toSignalServiceAddress();
1350         }
1351
1352         // Address in recipient store doesn't have a uuid, this shouldn't happen
1353         // Try to retrieve the uuid from the server
1354         final var number = address.getNumber().get();
1355         final ACI aci;
1356         try {
1357             aci = getRegisteredUser(number);
1358         } catch (IOException e) {
1359             logger.warn("Failed to get uuid for e164 number: {}", number, e);
1360             // Return SignalServiceAddress with unknown UUID
1361             return address.toSignalServiceAddress();
1362         }
1363         return resolveSignalServiceAddress(account.getRecipientStore().resolveRecipient(aci));
1364     }
1365
1366     private Set<RecipientId> resolveRecipients(Collection<RecipientIdentifier.Single> recipients) throws IOException {
1367         final var recipientIds = new HashSet<RecipientId>(recipients.size());
1368         for (var number : recipients) {
1369             final var recipientId = resolveRecipient(number);
1370             recipientIds.add(recipientId);
1371         }
1372         return recipientIds;
1373     }
1374
1375     private RecipientId resolveRecipient(final RecipientIdentifier.Single recipient) throws IOException {
1376         if (recipient instanceof RecipientIdentifier.Uuid uuidRecipient) {
1377             return account.getRecipientStore().resolveRecipient(ACI.from(uuidRecipient.uuid()));
1378         } else {
1379             final var number = ((RecipientIdentifier.Number) recipient).number();
1380             return account.getRecipientStore().resolveRecipient(number, () -> {
1381                 try {
1382                     return getRegisteredUser(number);
1383                 } catch (IOException e) {
1384                     return null;
1385                 }
1386             });
1387         }
1388     }
1389
1390     private RecipientId resolveRecipient(RecipientAddress address) {
1391         return account.getRecipientStore().resolveRecipient(address);
1392     }
1393
1394     private RecipientId resolveRecipient(SignalServiceAddress address) {
1395         return account.getRecipientStore().resolveRecipient(address);
1396     }
1397
1398     private RecipientId resolveRecipientTrusted(SignalServiceAddress address) {
1399         return account.getRecipientStore().resolveRecipientTrusted(address);
1400     }
1401
1402     @Override
1403     public void close() throws IOException {
1404         Thread thread;
1405         synchronized (messageHandlers) {
1406             weakHandlers.clear();
1407             messageHandlers.clear();
1408             thread = receiveThread;
1409             receiveThread = null;
1410         }
1411         if (thread != null) {
1412             stopReceiveThread(thread);
1413         }
1414         executor.shutdown();
1415
1416         dependencies.getSignalWebSocket().disconnect();
1417
1418         synchronized (closedListeners) {
1419             closedListeners.forEach(Runnable::run);
1420             closedListeners.clear();
1421         }
1422
1423         if (account != null) {
1424             account.close();
1425         }
1426         account = null;
1427     }
1428 }